In Reply to: RE: Yes posted by Tre' on August 25, 2016 at 15:20:12:
Grid current can only be there for very large signals where the grid of the powertube is driven in a postive grid signal. Then there is a much lower impedance so the driver has to be much more powerfull then normally. A normal circuit can't handle this but a powerfull driver+ interstage can.Remember this grid current is a very special situation where impedance is much different then normally so an interstage is still the best solution for a stable bias.
Edits: 08/25/16 08/25/16 08/25/16
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- RE: Yes - Lenin 15:38:29 08/25/16 (0)